This auction is for an US Robotics 56K X2 external modem PN 00178602 3Com. As you see its plugged in and the lights come on..

I have a large number of All autocall/grinnel equipment available! Plus you get free Expedited or Standard Shipping. Please checkout my other other ebays on the Grinnell/Simplex Fire Protection System or on transformers, relays, contactors, fuses, molded case switches, switch gears, communication cables and contactors, video, computers accessories,ect . . This is priced to sell with most of it free shipping.